Copyright, 1935 BY American Society of Heating and Ventilating Engineers AND BY IT Dedicated To the Advancement of The Profession AND Its Allied Industries tX7,andoillHst?

American Society of Heating and Ventilating Engineers Guide, 1935 camber, and the thickness of the blades provide a considerable degree f flexibility in design, so that the peak of total efficiency may be made t occur at wide-open volume or at various percentages of that volume. 10 Another advantage of this type of axial flow fan is its low resistance t air passage when standing still.

American Society of Heating and Ventilating Engineers Guide, 1936 the temperature of the incoming air necessary to maintain a room tem perature of either 70 or 80 F as indicated, assuming that there is no. heat gain or loss to the room by transmission through the walls, solar radiation or other sources.

American Society of Heating and Ventilating Engineers Guide, 1937 mately because the resistance will be inversely proportional to the thick ness and directly proportional to the area of cross-section of the flexible support.

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NATIONAL SAFETY COUNCIL, Inc.

FILE NAME: General Electric (GE) DATE: 1933 Feb 27 DOC#: GE108 DOCUMENT DESCRIPTION: Letter to Dr.

FILE NAME: General Refractories Company (GRC) DATE: 1933-1934 Oct DOC#: GRC030 DOCUMENT DESCRIPTION: Contributors to the Saranac Laboratory C o ntributions to THE SARANAC LABORATORY From October 1, 1933 to September 30, 1934 (Note: Items in second column received after October 1st to be credited in 1935 financial report) Adirondack Fund for the Tuberculous 1,000.00 249.99 Mrs.

FILE NAME: National Safety Council (NSC) DATE: 1935 July 7 DOC#: NSC404 DOCUMENT DESCRIPTION: Voluntary Agreement between Members of the Asbestos Manufacturing Industry oJ dtu., 7th, 133:-..

FILE NAME: National Safety Council (NSC) DATE: 1936 Feb 14 DOC#: NSC364 DOCUMENT DESCRIPTION: Letter to Donald Tulloch, Jr.

FILE NAME: National Safety Council (NSC) DATE: 1936 Jan 15 DOC#: NSC349 DOCUMENT DESCRIPTION: Letter from Donald Tulloch, Jr. to Norristown Magnesia & Asbestos Co.

FILE NAME: National Safety Council (NSC) DATE: 1936 DOC#: NSC393 DOCUMENT DESCRIPTION: Letter from Donald Tulloch, Jr. to Acme Asbestos Covering & Floor Co.

FILE NAME: National Safety Council (NSC) DATE: 1938 Oct DOC#: NSC065 DOCUMENT DESCRIPTION: Transactions of the NSC - Council Officers and Directors ) *<<Kl 4 \**y .iWWfe.f"" * - '` Ig-A'. -'-" H ./ ', ;' . ; :,.' ;

FILE NAME: Union Carbide (UC) DATE: 1932 DOC#: UC001 DOCUMENT DESCRIPTION: Transactions of the National Safety Council - Dust Industry - w a x m m a ; m v ,, . .

FILE NAME: Metropolitan Life (ML) DATE: 1934 DOC#: ML095 DOCUMENT DESCRIPTION: Dr.